Today’s hearing aids have life-saving benefits that go beyond helping you hear. And they’re more discreet and advanced than ever.

Some influencers say that doing so can offer benefits. We looked at the evidence. Credit...Joyce Lee for The New York Times Supported by By Alice Callahan Q: I’ve heard that drinking coffee first ...

Abstract: We provide a mathematical formulation of flight-specific delay cost functions that enables a detailed tactical consideration of how a given flight delay will interact with all downstream ...

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